function Point(x, y) {
	this.x = x;
	this.y = y;
};
Point.prototype.toString = function() {
	return '[Point('+this.x+','+this.y+')]';
};
Point.prototype.setX = function(x) {
	this.x = x;
};
Point.prototype.setY = function(y) {
	this.y = y;
};
Point.prototype.getX = function() {
	return this.x;
};
Point.prototype.getY = function() {
	return this.y;
};